Home / 3,292.34-4,938.80-1,212.86

Finding the Fourth Proportional to 3,292.34, 4,938.80 and 1,212.86

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Solution

The fourth proportional to 3,292.34, 4,938.80 and 1,212.86 is: 1,819.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292.34 : 4,938.80 = 1,212.86 : x
  2. Step 2: Convert to fraction form
    3,292.34/4,938.80 = 1,212.86/x
  3. Step 3: Cross multiply
    3,292.34x = 4,938.80 × 1,212.86
  4. Step 4: Simplify right side
    3,292.34x = 5,990,042.21
  5. Step 5: Solve for x
    x = 5,990,042.21/3,292.34
  6. Step 6: Final answer
    x = 1,819.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.